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2.3 Transfer of thermal energy

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Question 10

A student places a hot copper block inside a sealed glass container. All of the air is then pumped out of the container to create a vacuum.

Which method or methods of thermal energy transfer can still take place through the vacuum to transfer heat away from the copper block?

A

Conduction and convection only

B

Radiation only

C

Conduction and radiation only

D

Convection and radiation only

Markscheme

2.3 Transfer of thermal energy Questions

  1. IGCSE
  2. /Physics
  3. /2.3 Transfer of thermal energy

301 exam-style questions on CIE IGCSE Physics 2.3 Transfer of thermal energy, covering 2.3.1a Thermal conductors and thermal insulators, 2.3.1b Explaining thermal conduction, 2.3.2 Convection, 2.3.3a Thermal radiation, 2.3.3b Surface colour and texture, 2.3.3c Rate of emission and absorption of radiation, and 2.3.4 Consequences of thermal energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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